Support frame



FIG. 1 is a perspective view of the support frame showing my new design;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a right side view thereof; the left side view being a mirror image thereof; and,

FIG. 4 is a top view thereof. 

The ornamental design for a support frame, as shown and described. 